What's Changed
* feat: enable `--input-dir` flag to allow custom input directories by OLILHR in https://github.com/Hochfrequenz/ahlbatross/pull/29
* refactor: revise project structure, models and function names by OLILHR in https://github.com/Hochfrequenz/ahlbatross/pull/31
**Full Changelog**: https://github.com/Hochfrequenz/ahlbatross/compare/v0.1.4...v0.1.5